DRM_IOCTL_SG_ALLOC 888 include/uapi/drm/drm.h #define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather) DRM_IOCTL_SG_ALLOC 888 tools/include/uapi/drm/drm.h #define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather)